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worty [1.4K]
3 years ago
8

Ten times the sum of half a number and 6 is 9

Mathematics
1 answer:
xxMikexx [17]3 years ago
4 0
To formulate an equation to represent this, you must simply break apart each section and understand it. The equation is

10(1/2x+6)=9

We can get the "10" because it says "10 times the."
The "1/2x" because it says "half a number"
You will find the "+6" because it said "the sum of half a number and 6"
Is will almost always mean equals, as with this case. Therefore, because it says "is 9" we know it equals 9.
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The sum of two numbers is 27. One number is 2 times as large as the other. What are the numbers?
Alex

Answer:

9 and 18

Step-by-step explanation:

x+y=27\\x=2y\\2y+y=27\\3y=27\\y=27/3=9\\x=27-9=18

6 0
1 year ago
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You have a map of Southern California. If the distance between
Rudiy27

9514 1404 393

Answer:

  18 miles

Step-by-step explanation:

The map distance and ground distance are proportional.

  (distance to school)/(3 in) = (12 miles)/(2 in)

Multiplying by 3 in gives ...

  distance to school = (12 miles)(3/2) = 18 miles

4 0
3 years ago
Hi everybody! I need help, and this question is worth TEN points!
harkovskaia [24]

Answer:


Step-by-step explanation:

we know,

The Angle Addition Postulate states that: If a point  lies in the interior of an angle, then the postulate describes that putting two angles side by side with their vertices together creates a new angle whose measure equals the sum of the measures of the two original angles.

Here, W is the internal point.

The two angles are  UVW and WVX.

Now, by the angle addition postulate,

UVX is equal to the sum of  UVW and WVX.

Hence, the reason is-

Angle Addition Postulate

5 0
3 years ago
Pls help I can't do anything I will give the brain thingy
Sidana [21]

Step-by-step explanation:

<u>Blank</u><u> </u><u>C</u> :

Given total = 68

No. of TV news = 13

Therefore, in Internet it would be = Total - TV news

= 68 - 13 = <u>55 (ans)</u>

<u>Blank</u><u> </u><u>D</u> :

No. of Internet news in 7th grade = 55

No. of Internet news in 8th grade = 64

Hence, total Internet base news = 64 + 55 = <u>119 (ans)</u>

<u>Blank</u><u> </u><u>B</u> :

All total = 138

Internet news total = 119

Hence, TV news total = All total - Internet news

= 138 - 119 = <u>19 (ans)</u>

<u>Blank</u><u> </u><u>A</u> :

No. of TV news in 7th grade = 13

Total news in TV = 19

Therefore, no. of TV news in 8th grade = 19 - 13 = <u>6(ans)</u>

<u>Blank</u><u> </u><u>E</u> :

All total = 138

Total of 7th grade news = 68

Hence, total of 8th grade news = 138 - 68

= <u>70 (ans)</u>

6 0
3 years ago
Make x the subject of the formula <br><br> x/3z = y-2
wlad13 [49]

Answer:

x = 3z(y - 2)

Step-by-step explanation:

Given

\frac{x}{3z} = y - 2 ( multiply both sides by 3z to clear the fraction )

x = 3z(y - 2)

7 0
3 years ago
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